This paper reports on a study on the use of social network sites (SNSs) designed for L2 learning, such as "Livemocha" and "Busuu", where learners autonomously seek opportunities for authentic interaction in spontaneous ways. The study consists in a longitudinal multiple case study approach to investigate learners' informal…

Part of a larger ethnographic study, this investigation focused on the literacy development of a college student as he participated in the virtual culture of a computer-networked writing classroom where all instruction and communication occurred through the computer. The student was a member of one of two classes of adult students, ranging in age…